翻译一下简单的搭配用法

1 have a cool under the airconditioner
2 have a cool in the cool air
3 be blown by electric-fan
4 I'm not familiar with the business here,who can fill this document?
5 Let me do it.

1.enjoying the AC
2.enjoying the cool air
3.blowing the fan
4.I'm not familiar of these accounts, who fills the files?
I'll do it (I'll take the job/I'll take the job over/etc.)